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Under white rule, Afrikaans art was heavily sponsored by the government and presented a rigid image of Afrikaners as upstanding Christians — a natural ruling class.
Rigid image co-registration of PET to MRI.
Elastix (UMC Utrecht, The Netherlands) for both rigid and non-rigid image registrations [10]; splineMIRIT (KU Leuven, Belgium) for non-rigid image registrations [11]; Regisrigid (KU Leuven, Belgium) for rigid image registrations [4].
Rigid image transformation only allows for rotational and translational movements of the entire image, whereas non-rigid image registration allows for any type of local (elastic) deformations.
Non-rigid image registration outperformed rigid image registration for most input data (23% higher median DSC), except CT (5% lower median DSC).
A small, albeit insignificant (p > 0.14), improvement in median DSC values was observed for local rigid image registration compared with global rigid image registration.
Rigid image registration was performed by using the volume with highest aortic attenuation as reference.
For rigid image registration, some lesions showed small absolute TRT that were larger than zero.
Other registration options such as rigid image registration techniques should be further explored.
Mouse PET/CT images were registered using a semi-automated rigid image registration algorithm on an IRW workstation.
To confirm independence from implementation, three software packages were used from two different institutes: Elastix (UMC Utrecht, The Netherlands) for both rigid and non-rigid image registrations [10]; splineMIRIT (KU Leuven, Belgium) for non-rigid image registrations [11]; Regisrigid (KU Leuven, Belgium) for rigid image registrations [4].
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